/*************************************************************************
    > File Name: client.cpp
    > Author: Lancer
    > Mail: 18826075768@163.com
************************************************************************/

#include <iostream>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>

using namespace std;

int main(){
    printf("using exit()\n");
    printf("This is the content in buffer\n");
    exit(0);
}